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Old Advisory Events

The information herein is NOT intended for use as a weather forecast. The Air District DOES NOT forecast but solely compiles information from both the Phoenix and San Diego National Weather Offices to relay information concerning potential changes in ambient air concentrations that may impact the public.

September 18 2017
Be Advised
High wind levels have the potential to suspend particulate matter into the air. High levels of PM10 may pose an impact to public health. It is recommended that active children and adults, and people with respiratory disease, such as asthma, limit their outdoor activities.

Potential increases in PM10 concentrations may increase to moderate or unhealthy level.

Imperial County Weather Synopsis
A little warmer today as low pressure weakens, then slow cooling for Tuesday and Wednesday with greater cooling for Thursday and Friday as another trough of low pressure moves into the western states. This trough will produce strong and gusty west winds in the mountains and deserts along with increased clouds and maybe some light showers over and west of the mountains. Warmer for next weekend as high pressure aloft strengthens off the West Coast.
Dry air over the Southwest will suppress thunderstorm activity over the region over the next couple days while temperatures remain near seasonal normals. A strong and expansive area of low pressure will develop over the Western U.S. during the latter part of the week bringing cooler temperatures, breezy conditions, and the chance for showers and a few thunderstorms to eastern portions of Arizona for Thursday and Friday. Well below normal temperatures and dry conditions will move in across the region this weekend.
Weather Story Phoenix Station Weather Story San Diego Station
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